Weather or buffer strip for window sashes



Sept. 13, 1932. E. F. CHAI-FEE 1,877,729

WEATHER 0R BUFFER STRIP FOR WINDOW SASHES Filed Sept. 24. 1930 INVENTOR.' I

A TTORNEYS.

Patented sept. 1s, 1932 y strip here illustrated comprises a base sec- UNITED srA'rEs ,PATENT OFFICE EDWARD F. CHAFFEE, OF SYRAGSF, NEW YORK, ASSIGNOR'y TO THE O. M.' EDWARDS COMPANY INC., OF SYRACU'SIE,` NEW YORK, A CORPORATION OF NEW YORK WEATHER OR BUFFER STRIP FOR WINDOW SASHES Application :tiled September 24, 1930. Serial No. 484,103.

This invention has for its object, a weather or buEer strip particularly for window sashes, such as are used in railway coaches, motor busses, and other vehicles, and particularly a weather or buffer strip at the lower edge of the bottom rail of the sash for coacting with and conforming to the window sill when the sash is closed.

The invention consists in the novel features and in the combinations and constructions lhereinafter set forth and claimed.

In describing this invention, reference is had to the accompanying drawing, in which like characters designate corresponding parts in all the views.

Figure l is a fragmentary elevationof a window sash embodying my invention.

Figure 2 isa transverse, vertical, sectional View through the bottom rail of the sash showing the sash as separated from` the sill.

Fi re 3 is. an enlarged, sectional View through the lbuer strip.

Figure l is a view similar to Figure 2 showing the buffer strip as compressed and flexed on the sill. y

The invention lies primarily in the construction of the weather or buffer strip, which comprises an outer part of sponge rubber, and means for anchoring the sponge rubber part or section to a frame member, as the bottom "rail of a window sash. The weather tion, which is secured to the edge of the bottom rail, andan outer section projecting beyond the edgev of the base section in position to engage the window sill when the sash is closed, and to conform to the incline thereof, and to irregularities due to particles of dust accumulating on the-sill, and to the formation of ice on the sill, the'base section being composed of a comparatively hard non metallic material, and theouter section of a soft, flexible, pliable and compressible mal terial., Preferably, the base section is formed of a comparatively hard rubber, and

the outer section of 'sponge rubber integrally` united or vulcanized to the base section.

1 designates the bottom rail of the sash,

walls 42, 3, are spaced apart, and with an internal brace 4 which, with the margins of `the walls 2, 3, provide a channel 5 which opens of a hard rubber base section 7, and a soft or sponge rubber outer strip 8 integrally united together, as by vulcanizing, the base section being anchored to the sashl member preferably by being located in the channel 5, and 'substantially fitting the same. l

The outer section 8 may be of .any suitable form, but the particular form here shown, wherein the outer section 8 is formed with a lengthwise groove 9 opening through its lowerV edge, is preferable. The particular cross sectional form of the strip is old in so far as this invention is concerned. The' strip 6 and the frameimember 1 are provided with grooves l0 substantially at the juncture of the base section 7 and the outer section 8,

l whichvgrooves receive inturned anges 11 at the lower edges of the walls 2, 3 of the bottom rail. Y The strip isl inserted and removed by an'endwise sliding movement of the stripl 6;

The hard rubber base 7 firmly anchors the strip to thebottom rail and prevents the strip from displacement during distortion and contortion of the outer section 8 when it comes against the window sill,'or when thesash is i being raised, and the outer strip 8 adheres tov the sill as when frozen to the sill.'l

Owing to the sponge rubberoutersection 8, the section 8 readily conforms to" sills of different inclinations, and to any obstruc Ations/as accumulations of dirt and ice on the .outer sectionA 8, said section can conform to the sill by compressing and iieXing.

What I claim is 1. A weather or b-uer strip ofthe class described, comprising a hard rubber base section, and an outer section of sponge rubber integrally united to the base section throughout substantially the entire length of both sections. 5 2. A weather or buffer strip of the class described, comprising a hard rubber base section, and a soft rubber outer section integral- 1y united to the base section and having a sponge rubber face forming the contact surface of the strip. g

3. A weather or buil'er strip of the class de-y scribed, comprising a hard rubber base section, and a sponge rubber outer section having a sponge rubber contact face, said outer section being integrally united to the base ing substantially at the junction of the base section throughout substantiallly the entire length of the sections.Y

4.. The combination'with'a frame member, of a weather or buffer strip comprising a 20 hard,nonmetallic base section, and a'sponge rubber outer section integrally united with,` the base section throughoutmsubstantially the entire length of the sections, the frame member and the 'striphaving means for interlockand the outer section.

5. The combination with the frame mem ber of a window sash, of a buier strip carried at the edge of the frame member, the butler .30 strip comprsing'a base section of hard rubber, :and an outer'section of sponge rubber integrally united to the base section throughout substantially the entire length of the sections, theframemember and the strip having .interlocking means substantially at the junction of the base section and the outery section. .6. .The combination of a sash frame member having a channel in its edge, of a Weather stripI having a base portion of hard rubber, 40 and an outer portion of sponge rubber integrally united with the base section :and having a sponge rubber face forming` the Contact surface of the strip, the strip being formed with grooves substantially at the junction of the sections, and the frame member having inwardly extending flanges interlocking with the grooves. In testimony whereof, I have hereunto signed my name at. Syracuse, in the county, of Onondaga, and State of New York,this 17th day of September, 1930. Y

'EDWARD F. CHAFF CE. 

